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Finding the Fourth Proportional to 5,661,734.79, 7,813,415.19 and 3,214,573.60

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Solution

The fourth proportional to 5,661,734.79, 7,813,415.19 and 3,214,573.60 is: 4,436,237.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,661,734.79 : 7,813,415.19 = 3,214,573.60 : x
  2. Step 2: Convert to fraction form
    5,661,734.79/7,813,415.19 = 3,214,573.60/x
  3. Step 3: Cross multiply
    5,661,734.79x = 7,813,415.19 × 3,214,573.60
  4. Step 4: Simplify right side
    5,661,734.79x = 25,116,798,195,612.98
  5. Step 5: Solve for x
    x = 25,116,798,195,612.98/5,661,734.79
  6. Step 6: Final answer
    x = 4,436,237.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.